Toyota Sienna Service Manual: Intake system

2Gr-fe intake

Intake air control valve

Other materials:

Maintenance requirements
To ensure safe and economical driving, day-to-day care and regular maintenance are essential. It is the owner’s responsibility to perform regular checks. Toyota recommends the following maintenance: General maintenance General maintenance should be performed on a daily basis. This can be done ...

Display check mode
HINT:  This mode checks the color display on the display.  Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle. 1. ENTER DIAGNOSTIC MODE 2. D ...

ACIS Control Circuit
DESCRIPTION This circuit opens and closes the Intake Air Control Valve (IACV) in response to changes in the engine load in order to increase the intake efficiency (ACIS: Acoustic Control Induction System). When the engine speed is between 0 and 4450 rpm and the throttle valve opening angl ...